2.1.1无法运行官方教程示例example-cases，启动报错

Creator 2.x
#1

用2.1.1启动了下官方示例example-cases，启动的时候报错，报错日志如下：

PS:使用chrome浏览器

boot.js:116 Uncaught TypeError: Cannot read property ‘width’ of undefined
at getEmulatedScreenSize (boot.js:116)
at showSplash (boot.js:126)
at initPreviewOptions (boot.js:172)
at boot.js:175
at boot.js:406
CCDebug.js:249 No need to specify the “type” of “cc.EditBox._N$fontColor” because cc.Color is a child class of ValueType. Just set the default value to ‘new cc.Color()’ and it will be handled properly. cc.EditBox _N$fontColor cc.Color
CCDebug.js:249 No need to specify the “type” of “cc.EditBox._N$placeholderFontColor” because cc.Color is a child class of ValueType. Just set the default value to ‘new cc.Color()’ and it will be handled properly. cc.EditBox _N$placeholderFontColor cc.Color

#2

新建的example-cases？

#3

不是新建的，是官方那个demo集合，从github上撸下来的

#4

那个早就不好用了，看看代码就行，别指望运行。

#5

你直接用creator创建吧，怕你git的时候版本不对。